Accumulated Other Comprehensive Income (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Accumulated Other Comprehensive Income [Abstract]
Net unrealized gains and losses, beginning balance	$ (12)	$ (100)	$ (251)	$ (378)
Other comprehensive gain (loss) before reclassifications	86	(200)	325	78
Amounts reclassified from accumulated other comprehensive income	(20)		(20)
Net other comprehensive gain (loss)	66	(200)	305	78
Net unrealized gains and losses, ending balance	$ 54	$ (300)	$ 54	$ (300)